libiberty:

[deliverable/binutils-gdb.git] / libiberty / configure.ac

diff --git a/libiberty/configure.ac b/libiberty/configure.ac
index 39bfb51e41696f70adb489b46ec0e0bf4d4389ff..6c4347da36c6141f6ae5e63dea8e4d2afed0438e 100644 (file)
--- a/libiberty/configure.ac
+++ b/libiberty/configure.ac
@@ -114,7 +114,7 @@ AC_PROG_CC
 AC_PROG_CPP_WERROR
 
 if test x$GCC = xyes; then
-  ac_libiberty_warn_cflags='-W -Wall -Wtraditional -pedantic'
+  ac_libiberty_warn_cflags='-W -Wall -pedantic'
 fi
 AC_SUBST(ac_libiberty_warn_cflags)
 
@@ -159,13 +159,50 @@ AC_SUBST_FILE(host_makefile_frag)
 # It's OK to check for header files.  Although the compiler may not be
 # able to link anything, it had better be able to at least compile
 # something.
-AC_CHECK_HEADERS(sys/file.h sys/param.h limits.h stdlib.h malloc.h string.h unistd.h strings.h sys/time.h time.h sys/resource.h sys/stat.h sys/mman.h fcntl.h alloca.h sys/pstat.h sys/sysmp.h sys/sysinfo.h machine/hal_sysinfo.h sys/table.h sys/sysctl.h sys/systemcfg.h)
+AC_CHECK_HEADERS(sys/file.h sys/param.h limits.h stdlib.h malloc.h string.h unistd.h strings.h sys/time.h time.h sys/resource.h sys/stat.h sys/mman.h fcntl.h alloca.h sys/pstat.h sys/sysmp.h sys/sysinfo.h machine/hal_sysinfo.h sys/table.h sys/sysctl.h sys/systemcfg.h stdint.h)
 AC_HEADER_SYS_WAIT
 AC_HEADER_TIME
 
 libiberty_AC_DECLARE_ERRNO
 
+# Determine the size of an int for struct fibnode.
+AC_CHECK_SIZEOF([int])
+
 AC_CHECK_TYPE(uintptr_t, unsigned long)
+
+# Look for a 64-bit type.
+AC_MSG_CHECKING([for a 64-bit type])
+AC_CACHE_VAL(liberty_cv_uint64,
+[AC_TRY_COMPILE(
+[#ifdef HAVE_STDINT_H
+#include <stdint.h>
+#endif],
+[extern uint64_t foo;],
+liberty_cv_uint64=uint64_t,
+[AC_TRY_COMPILE(
+[#ifdef HAVE_LIMITS_H
+#include <limits.h>
+#endif
+#ifndef CHAR_BIT
+#define CHAR_BIT 8
+#endif],
+[extern char foo[sizeof(long) * CHAR_BIT >= 64 ? 1 : -1];],
+liberty_cv_uint64="unsigned long",
+[AC_TRY_COMPILE(
+[#ifdef HAVE_LIMITS_H
+#include <limits.h>
+#endif
+#ifndef CHAR_BIT
+#define CHAR_BIT 8
+#endif],
+[extern char foo[sizeof(long long) * CHAR_BIT >= 64 ? 1 : -1];],
+liberty_cv_uint64="unsigned long long", liberty_cv_uint64=none)])])])
+AC_MSG_RESULT($liberty_cv_uint64)
+if test "$liberty_cv_uint64" != none; then
+  AC_DEFINE_UNQUOTED(UNSIGNED_64BIT_TYPE, $liberty_cv_uint64,
+                     [Define to an unsigned 64-bit type available in the compiler.])
+fi
+
 # Given the above check, we always have uintptr_t or a fallback
 # definition.  So define HAVE_UINTPTR_T in case any imported code
 # relies on it.
@@ -188,6 +225,7 @@ funcs="$funcs clock"
 funcs="$funcs ffs"
 funcs="$funcs getcwd"
 funcs="$funcs getpagesize"
+funcs="$funcs gettimeofday"
 funcs="$funcs index"
 funcs="$funcs insque"
 funcs="$funcs memchr"
@@ -210,6 +248,7 @@ funcs="$funcs strcasecmp"
 funcs="$funcs strchr"
 funcs="$funcs strdup"
 funcs="$funcs strncasecmp"
+funcs="$funcs strndup"
 funcs="$funcs strrchr"
 funcs="$funcs strstr"
 funcs="$funcs strtod"
@@ -229,19 +268,19 @@ vars="sys_errlist sys_nerr sys_siglist"
 
 checkfuncs="getrusage on_exit psignal strerror strsignal sysconf times sbrk gettimeofday"
 checkfuncs="$checkfuncs realpath canonicalize_file_name pstat_getstatic pstat_getdynamic sysmp"
-checkfuncs="$checkfuncs getsysinfo table sysctl"
+checkfuncs="$checkfuncs getsysinfo table sysctl wait3 wait4"
 
 # These are neither executed nor required, but they help keep
 # autoheader happy without adding a bunch of text to acconfig.h.
 if test "x" = "y"; then
   AC_CHECK_FUNCS(asprintf atexit basename bcmp bcopy bsearch bzero calloc clock \
-  getcwd getpagesize index insque mkstemps memchr memcmp memcpy \
+  getcwd getpagesize gettimeofday index insque mkstemps memchr memcmp memcpy \
   memmove mempcpy memset putenv random rename rindex sigsetmask \
-  strcasecmp setenv stpcpy stpncpy strchr strdup strncasecmp strrchr strstr \
+  strcasecmp setenv stpcpy stpncpy strchr strdup strncasecmp strndup strrchr strstr \
   strtod strtol strtoul tmpnam vasprintf vfprintf vprintf \
   vsprintf waitpid getrusage on_exit psignal strerror strsignal \
   sysconf times sbrk gettimeofday ffs snprintf vsnprintf \
-  pstat_getstatic pstat_getdynamic sysmp getsysinfo table sysctl \
+  pstat_getstatic pstat_getdynamic sysmp getsysinfo table sysctl wait3 wait4 \
   realpath canonicalize_file_name)
   AC_DEFINE(HAVE_SYS_ERRLIST, 1, [Define if you have the sys_errlist variable.])
   AC_DEFINE(HAVE_SYS_NERR,    1, [Define if you have the sys_nerr variable.])
@@ -318,7 +357,7 @@ if test -n "${with_target_subdir}"; then
 else
 
    # Not a target library, so we set things up to run the test suite.
-   CHECK=check-cplus-dem
+   CHECK=really-check
 
 fi
 
@@ -408,6 +447,11 @@ if test -z "${setobjs}"; then
     libiberty_cv_var_sys_errlist=yes
     ;;
 
+  *-*-msdosdjgpp*)
+    # vfork and fork are stubs.
+    ac_cv_func_vfork_works=no
+    ;;
+
   *-*-uwin*)
     # Under some versions of uwin, vfork is notoriously buggy and the test 
     # can hang configure; on other versions, vfork exists just as a stub.
@@ -481,7 +525,6 @@ case "${host}" in
      *-*-mingw* | *-*-winnt*)  pexecute=./pex-win32.o  ;;
      *-*-msdosdjgpp*)          pexecute=./pex-djgpp.o  ;;
      *-*-msdos*)               pexecute=./pex-msdos.o  ;;
-     *-*-os2-emx*)             pexecute=./pex-os2.o    ;;
      *)                                pexecute=./pex-unix.o   ;;
 esac
 AC_SUBST(pexecute)
@@ -512,7 +555,7 @@ AC_CONFIG_FILES([Makefile testsuite/Makefile])
 AC_CONFIG_COMMANDS([default],
   [[test -z "$CONFIG_HEADERS" || echo timestamp > stamp-h
 if test -n "$CONFIG_FILES"; then
-  if test -n "${with_build_subdir}" || test -n "${with_target_subdir}"; then
+  if test -n "${with_target_subdir}"; then
     # FIXME: We shouldn't need to set ac_file
     ac_file=Makefile
     LD="${ORIGINAL_LD_FOR_MULTILIBS}"
@@ -523,7 +566,6 @@ fi]],
 host=${host}
 target=${target}
 with_target_subdir=${with_target_subdir}
-with_build_subdir=${with_build_subdir}
 with_multisubdir=${with_multisubdir}
 ac_configure_args="--enable-multilib ${ac_configure_args}"
 CONFIG_SHELL=${CONFIG_SHELL-/bin/sh}